Multiple choice

The ratio obtained by Bateson and Punnett in a cross between flowers and pollen grins of Lathyrus odoratus is known as:

  1. 7:1:7:1

  2. 7:1:1:7

  3. 7:7:1:1

  4. 1:7:1:7
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Bateson and Punnett observed an excess of parental combinations and fewer recombinant combinations in Lathyrus odoratus. The characteristic ratio is 7:1:1:7.

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